bindings/pinctrl/actions%2Cs900-pinctrl.txt

7 - compatible:   Should be "actions,s900-pinctrl"
8 - reg:          Should contain the register base address and size of
10 - clocks:       phandle of the clock feeding the pin controller
11 - gpio-controller: Marks the device node as a GPIO controller.
12 - gpio-ranges: Specifies the mapping between gpio controller and
13                pin-controller pins.
14 - #gpio-cells: Should be two. The first cell is the gpio pin number
16 - interrupt-controller: Marks the device node as an interrupt controller.
17 - #interrupt-cells: Specifies the number of cells needed to encode an
21                     bindings/interrupt-controller/interrupts.txt
22 - interrupts: The interrupt outputs from the controller. There is one GPIO
27 Please refer to pinctrl-bindings.txt in this directory for details of the
35 parameters, such as pull-up, drive strength, etc.
51 The following generic properties as defined in pinctrl-bindings.txt are valid
56 - pins:           An array of strings, each string containing the name of a pin.
90 - groups:         An array of strings, each string containing the name of a pin
138 - function:       An array of strings, each string containing the name of the
152 - bias-bus-hold:  No arguments. The specified pins should retain the previous
154 - bias-high-impedance: No arguments. The specified pins should be configured
156 - bias-pull-down: No arguments. The specified pins should be configured as
158 - bias-pull-up:   No arguments. The specified pins should be configured as
160 - input-schmitt-enable: No arguments: Enable schmitt trigger for the specified
162 - input-schmitt-disable: No arguments: Disable schmitt trigger for the specified
164 - slew-rate:      Integer. Sets slew rate for the specified pins.
166                   <0>  - Slow
167                   <1>  - Fast
168 - drive-strength: Integer. Selects the drive strength for the specified
179                   compatible = "actions,s900-pinctrl";
182                   gpio-controller;
183                   gpio-ranges = <&pinctrl 0 0 146>;
184                   #gpio-cells = <2>;
185                   interrupt-controller;
186                   #interrupt-cells = <2>;
194                   uart2-default: uart2-default {
201                                   drive-strength = <12>;